Dashed left edge = started before December 1846 ·
Dashed right edge = ongoing beyond December 1846
Events in December 1846 4
1846Battle of San PasqualCalifornios check Kearny's advanceAndrés Pico's Californio lancers struck Stephen Kearny's exhausted dragoons near present-day San Diego. The Americans lost more than 20 men killed and had to be rescued by a relief force.
1846Premiere of Berlioz's The Damnation of FaustBerlioz's dramatic legend fails in ParisHector Berlioz staged the first performance of La Damnation de Faust at the Opéra-Comique in Paris. It drew small audiences and lost him a lot of money, but later became one of his most performed works.
1846Mallarino-Bidlack TreatyUS guarantees transit across the Isthmus of PanamaNew Granada gave the United States right of way across the Isthmus of Panama. In return the US guaranteed the isthmus's neutrality and New Granada's sovereignty there.
1846Iowa admitted to the UnionIowa becomes the 29th US statePresident Polk signed the act admitting Iowa as a state. It was the first free state formed from the Louisiana Purchase west of the Mississippi.